View source for PNO-I-87-111, on 871125,fire Occurred in Contaminated Area of Facility.Caused by Spontaneous Combustion of Slightly Contaminated Zircalloy in Vacuum Cleaner.Region I Will Review Incident During Next Insp

{{Adams
| number = ML20236S690
| issue date = 11/25/1987
| title = PNO-I-87-111:on 871125,fire Occurred in Contaminated Area of Facility.Caused by Spontaneous Combustion of Slightly Contaminated Zircalloy in Vacuum Cleaner.Region I Will Review Incident During Next Insp
| author name = Bellamy R, Roth J
| author affiliation = NRC OFFICE OF INSPECTION &amp; ENFORCEMENT (IE REGION I)
| addressee name = 
| addressee affiliation = 
| docket = 07000371
| license number = 
| contact person = 
| document report number = PNO-I-87-111, NUDOCS 8711300038
| document type = PRELIMINARY NOTIFICATION OF EVENT OR OCCURRENCE (PNO,, TEXT-INSPECTION &amp; AUDIT &amp; I&amp;E CIRCULARS
| page count = 1
}}
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                       %                                                            0 g                                                DCS No:    70371871125 9                                               Date:      November 25, 1987 PRELIMIN. Y_fl0TIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-I-87-111 This prs?iminary notification constitutes EARLY notice of events of POSSIBLE safety or public. interest significance. The information is as initially received without verification of evaluation, and is basically all that is known by the Region I staff on'this U te,.
Facility:                                       Licensee Emergency Classification:
UNC-Naval Products                                   Notification of Unusual Event                         i Montville, Connecticut                               Alert                                                 i m4 0/11 70-371                                                    Site Area Emergency
:                              General Emergency o' A                           ,                         X Not Applicable
        ' Sbbject:       FIRE IN A CONTAMINATED AREA 0F THE FACILITY
      *i At about 8:30 a.m. on November 25, 1987, a fire occurred as a result of spontaneous combdttfon of slightly contaminated zircalloy in a vacuum cleaner. The zircalloy was contaminated with uraniun-235. The operator, using the vacuum cleaner to clean c>mponents, immediately placed the cleaner into a fume hood. Smoke from the fire made I
 % /rps co way  outlicensee
: f. The   of the building Health into  a secondary Physics             alarm security group conducted             stationevaluation a preliminary    located onof the the
   '*        rocci and exhaust stack air samples. Airborne contamination in the room was determined te be about 0.4% of the 10 CFR Part 20, Appendix B, Table 1 limit for uranium-235.
P.4ck' releases were determined to be about 0.1% of the 10 CFR Part 20, Appendix B, Table 2 limit for uranium-235. The release lasted for approximately 15-20 minutes.
Local ambulance servic'es responded to the facility for use, if needed, i
Region I will continue to followup on this incident and will review this incident                          I
'f during the next rounine inspection, The State of Connecticut has been notified.
The NRC received initial notification of this incident by telephone from the licensee at 9:25 a.m. on November 25, 1987.
CONTACT:    J. Roth                  R. Bellamy 488-1205                 488-1200 DISTRIBUTION:
H. St.                   MNBB        Phillips        E/W         W111ste       Mail:   ADM:DMB Chairman Zech             EDO        NRR                         NMSS                  DOT:Trans only       .
Comm. Roberts             PA                         OIA         RES Comm. Bernthal            OGC                        AEOD                      NRC Ops Crt Comm. Carr -
Comm. Rogers ACRS                      Air Rights                 INPO----                                              l t;SFCY                           SP                         NSAC----                                              .
      ' ' CA -
I PDR                       Regional Of fices                TMI Resident Section RI Resident Office h13g38871125                                 Licensee:
PNO-I-87-111          PDR                                  eactor U,censees)
Region I Form 83                                                                                           4 (Rev. /ugust 1987)
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